diff options
author | Raymond Hettinger <rhettinger@users.noreply.github.com> | 2019-02-01 06:13:43 (GMT) |
---|---|---|
committer | GitHub <noreply@github.com> | 2019-02-01 06:13:43 (GMT) |
commit | 05f1b93f5876ac970485ae008dd9ab3e8404f934 (patch) | |
tree | d1fd913d8a72e0954c84146087a9199d08f7bee8 /Modules | |
parent | ffdf1c30ab6940a5efe6f33e61678021d9fd14b6 (diff) | |
download | cpython-05f1b93f5876ac970485ae008dd9ab3e8404f934.zip cpython-05f1b93f5876ac970485ae008dd9ab3e8404f934.tar.gz cpython-05f1b93f5876ac970485ae008dd9ab3e8404f934.tar.bz2 |
Speed-up argument parsing for common cases in deque.__init__()(GH-11717)
Diffstat (limited to 'Modules')
-rw-r--r-- | Modules/_collectionsmodule.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c index a2b683e..280b15d 100644 --- a/Modules/_collectionsmodule.c +++ b/Modules/_collectionsmodule.c @@ -1463,9 +1463,13 @@ deque_init(dequeobject *deque, PyObject *args, PyObject *kwdargs) Py_ssize_t maxlen = -1; char *kwlist[] = {"iterable", "maxlen", 0}; - if (kwdargs == NULL) { - if (!PyArg_UnpackTuple(args, "deque()", 0, 2, &iterable, &maxlenobj)) - return -1; + if (kwdargs == NULL && PyTuple_GET_SIZE(args) <= 2) { + if (PyTuple_GET_SIZE(args) > 0) { + iterable = PyTuple_GET_ITEM(args, 0); + } + if (PyTuple_GET_SIZE(args) > 1) { + maxlenobj = PyTuple_GET_ITEM(args, 1); + } } else { if (!PyArg_ParseTupleAndKeywords(args, kwdargs, "|OO:deque", kwlist, &iterable, &maxlenobj)) |